Trade name: Zinc Sulphate Monohydrate ( Zinc Sulfate Monohydrate) Formula: ZnSO4. H2O CAS No.: 7446-19-7 HS Code: 2833.2930 PACKING: Net weight 25kgs, 50kgs per each plastic woven bag, or 1000kgs to 1350kgs per each package or according to client request. Zinc sulphate mono powder feed grade Item Specification Powder feed grade Content 98% min Zinc: 35% min As: 5ppm max Pb: 8ppm max Cd: 8ppm max Size: 80mesh